Punch-press.



hole, whereupon the to the press and the sliding head c movesdownwardly. lt will be seen by virtue of the punch holder being alreadyin its lower position`r the saine does not move to ellect the punchingof a hole until the sliding head c is brought in contact with the punchholder a., whereupon the punch or die is then forced through the work inthe usual manner. lllhen the punch holder a. is in the lowered positionin the slide c thefpin 'l' which is adjacent the lever 9 retains thelatter out ol engagement with the shank 5, but upon the slide cdescending and contacting with the punch holder, the lever 9 springsinto engagement with'the punch holder, and

then as the slide c is directed upwardly, the

punch holder is also carried upwardly therewith where it may again beadjusted for a subsequent operation.

It is. obvious that those skilled in the art may vary the details ofconstruction and arrangements of parts without departing from the spiritof my invention and therefore l do not wish to be limited to suchfeatures except as may be required by the claims.

lVhat is claimed as new is:

l. In a punch press, the combination of a sliding head provided with anadjustable punch holder. a spring actuated lock mounted on the slidinghead for locking the punch holder thereto, and a means mounted on thesliding head and carried thereby ior adjusting the punch holderupon thedisengagement of the lock.

2. In a punch press, the combination of a sliding head provided with avertically adjustable punch holder, a spring actuated lever mounted onthe sliding head and engaging the punch holder.l"or locking the saine tothe sliding head, and means for adjusting the punch holder u pon thedisengagement of the lever from the punch holder.

3. In a punch press, the combination of a sliding head provided with avertically adjustable punch holder, a spring actuated lever mounted onthe sliding head and engaging the punch holder for locking the saine tothe sliding head, and a means mounted on the sliding head and carriedthe punchi holder thereby for adjusting upon the disengagementl of thespring actuated lever.

4. In a punch press, the combination of a sliding head provided with anadjustable punch holder, means for locking the punch holder to thesliding head, and a means including a rack and pinion for adjusting thepunch holder upon the disengagement of the lock. 'f

5. in a punch'press, the combination of a power is then applied pinioncarried holder to the sliding head,

. filn' adjusting the pun'- :biellese sliding head, provided with anpunch holder, spring actuated means ed on the sliding head for lockingl" holder thereto, means including by the sliding head ai justing thepunch holder upon gagement of the loch'.`

6. ln a punch a sliding head provi punch holder,"a ineens f o the punchholder, within the sliding head ant rack, and means for rota 7. ln apunch sliding head proridcd punch holder, a rack ver the punch holder, apinion po tiene i verselv within the sliding head anden' ing the rack,and a means mounted un sliding head i'or rotatin the pipi S. ln a punchpress, the comb. sliding head provided with an adj punch holder` a rackvertically on the punch holder, a pinion positioned transversely withinthe sliding head 'and engaging the rack, a means niountedontlie slidinghead ior rotating pinion, ai spring-actiuited lock mounted onythe suhead for locking the punch holder i a position on the sliding head. j

5l. ln a punch press, the cbinbination oi: e sliding head provided `witha'nffadjustable punch holder, a means mounted-on the sliding head forlocking the punch holder thereto, a rack vertically arranged on thepunch holder and projecting ,within the sliding loo head, a pinionmounted within the sliding .head and engaging the rack, andol meansmounted on the sliding head and carried lthereby for adjusting the punchholder upon the disengagement of the loch; 10. In apiinch press, thecombination oi'. a sliding head provided with an adjustable punchholder. a spring actuatedleverniounted on the sliding head and enigApunch holder for locking Athe saine to the sliding head, a rackvertically arrange on be punch holder and .projecting within the s. inghead, a pinion mounted within the sliding head and engaging the rack,and a means mounted on the sliding head end carried thereby foradjusting the punch holder upon the disengagement of the lock.` Intestimony whereof I affix my signature in presence of two witnesses.

M. E. -LAUGHLiN, v WM. CS-Wom. i

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